2vqv

Structure of HDAC4 catalytic domain with a gain-of-function mutation bound to a hydroxamic acid inhibitor

Method: X-RAY DIFFRACTION Dmax: 100.3 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

HISTONE DEACETYLASE 4

HOMO SAPIENS

UniProt P56524

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 648–1057 Fragment:CATALYTIC DOMAIN, RESIDUES 648-1057 Mutation:YES SO4 SULFATE ION × 1 K POTASSIUM ION × 2 HA3 N-hydroxy-5-[(3-phenyl-5,6-dihydroimidazo[1,2-a]pyrazin-7(8H)-yl)carbonyl]thiophene-2-carboxamide × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.5;0.1M MES PH 6.5, 1.6M AMMONIUM SULPHATE, 10% DIOXANE 1MM DTT Resolution 3.30 Å R-free 0.265
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 648–1057 Fragment:CATALYTIC DOMAIN, RESIDUES 648-1057 Mutation:YES SO4 SULFATE ION × 3 K POTASSIUM ION × 2 HA3 N-hydroxy-5-[(3-phenyl-5,6-dihydroimidazo[1,2-a]pyrazin-7(8H)-yl)carbonyl]thiophene-2-carboxamide × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.5;0.1M MES PH 6.5, 1.6M AMMONIUM SULPHATE, 10% DIOXANE 1MM DTT Resolution 3.30 Å R-free 0.265

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

17 other PDB entries and 30 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HDAC4_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 4–413; UniProt 648–1057 Author chain B; PDBConstruct 4–413; UniProt 648–1057

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 2vqv

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2vqv
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2vqv
Deposition date deposition_date2008-03-19
Structure title titleStructure of HDAC4 catalytic domain with a gain-of-function mutation bound to a hydroxamic acid inhibitor
Keywords keywords;INHIBITOR, REPRESSOR, CHROMATIN, COILED COIL, HISTONE DEACETYLASE, TRANSCRIPTION REGULATION, UBL CONJUGATION, CHROMATIN REGULATOR, POLYMORPHISM, TRANSCRIPTION, PHOSPHOPROTEIN, HDAC, ZINC, HDACI, NUCLEUS, HYDROLASE, CYTOPLASM ;; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier29.25
Radius of gyration Rg (electron density) rg_electron28.56
Forward intensity I(0) i097942100.00
Molecular weight molecular_weight77121.0 kDa
Excluded volume excluded_volume95959 ų
Envelope volume envelope_volume115570 ų
Hydration-shell volume shell_volume33844 ų
Envelope diameter envelope_diameter102.7
Shell Rg shell_rg35.74
Envelope Rg envelope_rg28.77
Shape Rg shape_rg28.51
Total Rg total_rg29.38
Total atoms total_atoms5401
Residues n_residues711
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax100.3
Rg (real space) rg_real29.32
Rg uncertainty (real space) rg_real_error0.99
I(0) (real space) i0_real9.7940e+07
I(0) uncertainty (real space) i0_real_error1.6040e+06
Rg (reciprocal space) rg_reciprocal29.29
I(0) (reciprocal space) i0_reciprocal97940000.0000
Solution quality estimate total_estimate0.7877
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary29.7
Skewness Skewness skewness0.415
Kurtosis Kurtosis kurtosis-0.434
Angular range angular_range— – 0.2700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha34440000.0000
Real-space data points n_real_points55
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.764; Stabil: 0.997; Sysdev: 1.000; Positv: 1.000; Valcen: 0.955; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id2vqvA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology800 — Arginase; Chain A
Homologous superfamily homologous superfamily20 — Histone deacetylase domain
Domain ID domain_id2vqvB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology800 — Arginase; Chain A
Homologous superfamily homologous superfamily20 — Histone deacetylase domain

8. Citations (1)

9. Files and Curves (10)